Diagnostic Trouble Code Index for April 2024
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 3 | P0300 | Multiple Cylinder Misfire Detected | Jeep, Lexus, Mazda |
| 2 | P0301 | Cylinder 1 Misfire Detected | Lexus, Mazda |
| 2 | P0306 | Cylinder 6 Misfire Detected | Ford, Jeep |
| 1 | C1130 | engine 1 fuel cut system fault | Infiniti |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Honda |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Honda |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Toyota |
| 1 | P0171 | Fuel System Lean (Bank 1) | Mazda |
| 1 | P0172 | Fuel System Rich (Bank 1) | Mazda |
| 1 | P0174 | Fuel System Lean (Bank 2) | Mazda |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | GMC |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Dodge |
| 1 | P0269 | Cylinder 3 Balance System Malfunction | Ford |
| 1 | P0302 | Cylinder 2 Misfire Detected | Kia |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Infiniti |
| 1 | P062E | Fuel Injector Driver Circuit Performance (Bank 2) | Ford |
| 1 | P0870 | Overdrive Hydraulic Pressure Test | Mercedes-Benz |
| 1 | P1925 | Drive authorization is refused by the control module N15/5 Electronic Selector Module ESM/EWM | Mercedes-Benz |
| 1 | P2146 | Injector Positive Voltage Relay Circuit Group 1 (Injectors 1 & 4) | Dodge |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Mazda |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Mazda |
| 1 | P2609 | No Voltage Drop Between Heaters | Dodge |
| 1 | P3004 | Power Cable Malfunction | Toyota |
